Imaginary Picture of HAT-P-48 b

Display orbital revolution of HAT-P-48 b around the hoststar HAT-P-48
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Exoplanet Name : HAT-P-48 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1310 (Rjup) 12.6774 (Rearth)
Mass (Mjup / Me): 0.1680 (Mjup) 53.4136 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0543 (AU) 0.0543 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0121
Orbital Period(Observed/Estimated) 4.41 (Days Obs.) 4.41 (Days Est.)
Surface Gravity (G Earth) 0.3323
Star Radiation at Atmospheric Boundary: 777602.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1325.4 (K)
Blackbody T 0.3(K) 1244.6 (K)
Blackbody T 0.7(K) 1007.1 (K)
Tidally Locked Blackbody T 0.1(K) 1576.1 (K)
Tidally Locked Blackbody T 0.3(K) 1480.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HAT-P-48
Alternate Name :
Star Distance(LY) : 994.8
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5946 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 4.7
Apparent Magnitude: 12.2
Right Ascension(RA) 44.4708
Declination (DEC) 30.6258
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-48&submit=SIMBAD+search
Open Exoplanet Database Link
HAT-P-48 b
HAT-P-48 b

  • HAT-P-48 b is an exoplanet orbiting the star HAT-P-48, located about 994.8 light-years (305.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HAT-P-48 has apparent magnitude of 12.2, with absolute magnitude of 4.7.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5946 with its spectral types of G1
  • In this planetary system, the extrasolar planet HAT-P-48 b orbits around the star HAT-P-48 every 4.4 days with its orbital distance of 0.05 AU ( 8123164.4 km)
  • (Projected orbit of HAT-P-48 b around its host star HAT-P-48)


  • The Star HAT-P-48 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.937 AU ( 140131051.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.295 AU ( 193697733.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.973 AU ( 295152480.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.903 AU ( 434329804.1 km)
  • Radiation at Planetary Boundary of HAT-P-48 b : 777602.57 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-48)



  • Kopparapu Recent Venus for Star HAT-P-48 distance : 0.961 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-48 distance : 1.217 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-48 distance : 1.175 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-48 distance : 1.288 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-48 distance : 2.140 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-48 distance : 2.257 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-48)



  • Original Kopparapu Recent Venus for Star HAT-P-48 distance : 0.966 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-48 distance : 1.250 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-48 distance : 1.278 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-48 distance : 2.178 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-48 distance : 2.265 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-48)



    (Position in Stellar Map of star HAT-P-48 and its Exoplanet HAT-P-48 b)



    (Zoomed position in Stellar Map of star HAT-P-48 and its Exoplanet HAT-P-48 b (zoom level 3))

    (Synthetic Spectrum of star HAT-P-48*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102